{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "As regards lipid metabolism , the mean values for total triglycerides , cholesterol , LDL - cholesterol and HDL - cholesterol seen at the end of five years of Norplant - 2 rod use and six months postremoval were similar to the preinsertion mean ."}
{"GENE": ["LDL - cholesterol", "HDL - cholesterol"]}